Lowrance Elite-7x CHIRP Operation Manual - Page 29

Frequency, Ping Speed, Noise Rejection

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NOTE: When using a custom range, you may not receive any digital depth readings, or you may receive incorrect depth information. Downscan options Frequency Controls the transducer frequency used by the unit. 800 kHz offers the best resolution, while 455 kHz has greater depth coverage. Ping Speed Controls the rate the transducer uses to send sonar waves into the water. Ping speed adjustments can help reduce interference from other transducers. Downscan options Noise Rejection Uses advanced signal processing to monitor the effects noise (boat pumps, water conditions, engine ignition systems, etc.) has on your display, and then filters out undesired signals. DSI Operation | Elite-5x & Elite-7x 26

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DSI Operation |
Elite-5x & Elite-7x
Frequency
Controls the transducer frequency
used by the unit.
800 kHz offers the
best resolution, while 455 kHz has greater depth
coverage.
NOTE:
When using a custom range,
you may not receive any digital depth
readings, or you may receive incorrect
depth information.
Ping Speed
Controls the rate the transducer uses to send sonar
waves into the water. Ping speed adjustments can
help reduce interference from other transducers.
Downscan options
Noise Rejection
Uses advanced signal processing to monitor the ef-
fects noise (boat pumps, water conditions, engine
ignition systems, etc.) has on your display, and then
filters out undesired signals.
Downscan options